#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>


void swap(int *x, int *y) {
	
	int temp = 0;
	temp = *x;
	*x = *y;
	*y = temp;

}


int main() {

	int a, b;
	scanf("%d %d", &a, &b);
	swap(&a, &b);
	printf("a=%d,b=%d\n", a, b);



	return 0;
}